September 8, 2010 Datasheet No – PD97524
IRS254(01,11)
LED BUCK REGULATOR CONTROL IC Features
• 200 V (IRS25401) and 600 V (IRS25411) half bridge driver • Micropower startup (500 μA) • ±2%
voltage reference • 140 ns deadtime • 15.
6 V zener clamp on VCC • Frequency up to 500 kHz • Auto restart, non-latched shutdown • PWM dimmable • Small 8-Lead DIP/8-Lead SOIC packages
Product Summary
Topology VOFFSET VOUT Io+ & I o- (typical) tON & tOFF (typical) Deadtime (typical) Buck 200V,600V VCC 0.
5A/0.
7A 50/30nS 140nS
Typical Applications
LED drivers for lamp replacement LED driver back end current regulator
Packages
8-Lead PDIP IRS254(01,11)PbF
8-LeadSOIC IRS254(01,11)SPbF
Typical Connection D...